Finding the Fourth Proportional to 144,076.64, 216,068.18 and 47,988.27

Step by Step Solution

1. Step 1: Write the proportion equation
   144,076.64 : 216,068.18 = 47,988.27 : x
2. Step 2: Convert to fraction form
   144,076.64/216,068.18 = 47,988.27/x
3. Step 3: Cross multiply
   144,076.64x = 216,068.18 × 47,988.27
4. Step 4: Simplify right side
   144,076.64x = 10,368,737,920.31
5. Step 5: Solve for x
   x = 10,368,737,920.31/144,076.64
6. Step 6: Final answer
   x = 71,966.82